【Product Specifications】E27 Retro Screw Bulb, AC 220-240V, 4W Equivalent to 40W, 2700K Warm White Light, Edison Bulb 【Dimmable】The old-fashioned screw bulb adopts a dimmable design and can be adjusted at will to a brightness of 0-100%, which can achieve the desired brightness environment and create a soft and bright retro atmosphere. 【Retro Style】The ST64 screw bulb features a retro design that pays beautiful homage to the past. The bulb is orange when not lit and emits a soft and warm amber glow when lit, giving full play to the retro lighting effect. 【Energy Saving and Efficient】E27 4W retro screw bulb, low energy consumption, antique bulb, average lifespan of 20,000 hours, achieves efficient lighting and saves energy consumption 【Easy to Install】Designed with E27 lamp holder with gold screws, you can easily screw it into the E27 lamp holder, quick installation without other installation tools, no flicker, no glare, easy to use, brightness can be customized freely 【Wide